Earth Trojan Asteroids, was Re: Jupiter's L1

From: Michael M. Butler (
Date: Wed Dec 05 2001 - 11:05:28 MST (ugly background on this page, fair warning) is the 3753 Cruithne
(pronounced, approximately, "CrooEENya") website, and mentions that two other resonant-with-Earth objects are being
studied: 1998 UP1 and 2000 PH5.

Maybe not true Trojan point occupants, but they are close by and potentially interesting.

Also, here's the preprint of a recent ETA survey: --so far, they haven't found anything big.

And it seems that Wiegert, Innanen and Mikkola in
have calculated million-year stability, so scratch for now the anecdotal Jupiter-perturbation-makes-longterm
ETAs-impossible notion.


Damien Broderick wrote:
> At 10:02 PM 12/3/01 -0800, Hal wrote:
> >So far there have been no successes in finding occupants of the Trojan
> >points for other planets than Jupiter.
> I understand that regions of heavier than usual dust have been observed at
> Earth L4 and L5.

My moronic mnemonic for smart behavior: "DICKS" == 
diplomacy, integrity, courage, kindness, skepticism.

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